This MAHLE piston and cylinder (part number 503 18 90) is a matched piston-and-cylinder assembly supplied as a pair so bore and piston clearance stay correct on Porsche 911 applications listed in the fitment table below. MAHLE built its reputation on piston and filtration engineering over more than a century and supplies these parts at OE quality across European applications.
Technical Details
- Manufacturer part number: 503 18 90
- Part type: Piston and Cylinder
- Vehicle system: engine cylinder assembly
Fitment & Compatibility
Use the fitment table below to confirm year, make, model, submodel, and any application notes before ordering.
With over 20 years working on Porsche cars, PMB Performance can help you match this part to your application. Reach out with your VIN if you want it confirmed first.
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 1972 | Porsche | 911 | T | |
| 1973 | Porsche | 911 | T |